When I worked at Deere dealer, I replaced a differential case in a 4440. It broke the bearing support off just like the IH tractors did and the new one was a improved version. I don't remember how much internal parts I replaced in the differential and weather it was a two or three or four pinion spider gear setup. Horse power was not set up from factory as far as I know and owner was older gentleman not interested in the max.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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